Consultant Designer & Developer
067 Tessellated tangrams066 Side walk on a rainy day065 144 Trapeziums064 Blank arcade063 Transmogrifying circles062 Mugshots061 Last 30 seconds059 Lazy polygons058 Hexmaze057 Dreaming shapes056 Connections055 Letter grid054 Koch curve053 Fizzled grid052 Lines on a 5×5 grid051 Sol Lewitt’s ‘Lines of One Inch, Four Directions, Four Colours’050 Sol Lewitt’s wall drawing 289049 Dots and lines048 Blending ratios047 Squares using pen on paper046 Tetrahedrons045 Monochromatic squares044 Fifteen silly ways to draw a line043 One way to arrange lines042 Misregistered041 Running in circles040 Dancing to the noise039 Deformed Rectangles038 x raised to y mod n037 Shapes on a QuadTree036 Wolfram’s Rules 30, 90, 110 and 184035 Dancing Lines034 Sol LeWitt’s Successive Lines033 Directional Tiles032 A Bunch of Lines031 Lorenz Attractor030 Karel Martens’s Kinetic Work029 Map of Somewhere028 Piet Mondrian027 Peaks of Shards026 Dots in Motion025 A Pack of Circles024 Squares on Markov Chain023 Moon rise022 Tensile Roof021 Arrangements020 Squares and Arcs019 Sierpiński carpet018 Squiggles II017 Squiggles016 Some Triangles015 Some Rectangles014 Joy Division013 Study in Lightness012 Truchet tiles011 Triangles010 Shapes with Shapes009 Lines #3008 Perlin Noise Halftones007 '10 PRINT' Pattern006 Wandered Dot005 Wandering Dot004 Lines #2003 Lines #1002 Circles #2001 Circles #1
060 Overprinted discs
function drawCells({ squares, gap, cellSize, clipId } = {}) {
return squares.map(({ col, row, circles, bg }) => {
const x = col * (cellSize + gap) - gap / 2;
const y = row * (cellSize + gap) - gap / 2;
return htl.svg`
<g transform=${`translate(${x},${y})`}
clip-path="url(#${clipId})">
<rect
x=${gap}
y=${gap}
width=${cellSize}
height=${cellSize}
fill=${bg}
style=${{
fillOpacity: opacity
}}
></rect>
${drawCircles({ circles, gap, cellSize })}
</g>`;
});
}
function drawCircles({ circles, gap, cellSize }) {
return circles.map(({ r, u, v, fill, blend }) => {
const cx = gap + math.lerp(0, cellSize, u);
const cy = gap + math.lerp(0, cellSize, v);
const R = math.lerp(0, cellSize, r);
return htl.svg`<circle
cx=${cx}
cy=${cy}
r=${R}
fill=${fill}
style=${{
mixBlendMode: mixBlend && blend ? "multiply" : "normal",
fillOpacity: blend ? opacity : 1
}}
></circle`;
});
}
squares = {
const { rows, cols } = grid;
const [minR, maxR] = radiusExtent;
// Using random numbers here doesn't produce
// same results with same seed.
const rNoiseWindow = 19;
const posThetaNoiseWindow = 1000;
const posRadiusNoiseWindow = 58999;
return d3.range(rows).flatMap((j) =>
d3.range(cols).map((i) => {
const palette = getRandomPalette();
let circles = [
{ fill: palette.paper },
{ fill: palette.hue1, blend: true },
{ fill: palette.hue2, blend: true }
];
circles = circles.map((c, k) => {
const rNoiseFreq = math.lerp(1 / 50, 100, rNoiseFactor);
const rNoise =
0.5 + 0.5 * rnd.noise4D(k, j, i, rNoiseWindow, rNoiseFreq);
const r = minR + rNoise * (maxR - minR);
const posAngleNoise =
0.5 +
0.5 * rnd.noise4D(k, j, i, posThetaNoiseWindow, angleNoiseFactor);
const theta = posAngleNoise * Math.PI * 2;
const posRadiusNoise =
0.5 * rnd.noise4D(k, j, i, posRadiusNoiseWindow, posNoiseFactor);
const posRadius = posRadiusNoise;
const u = 0.5 + Math.cos(theta) * posRadius;
const v = 0.5 + Math.sin(theta) * posRadius;
return { ...c, r, u, v };
});
return {
col: i,
row: j,
circles,
bg: palette.bg
};
})
);
}
radiusExtent = [1 / 8, 1 / 2]
maxSize = Math.min(width, height)
grid = squaresInRectangle(640, 400, 20)
//({ rows: 5, cols: 8 }) // Based on 640px wide and 400 px tall aspect ratio
width = grid.side * grid.cols
height = grid.side * grid.rows
gap = (gapUV * maxSize) / 20
cellSize = width / grid.cols - gap
paper = "#e8e9e4"
colors = [
{ weight: 5, value: "#3083c9" }, // blue
{ weight: 4, value: "#ca321b" }, // red
{ weight: 1, value: "#e9e10d" } // yellow
]
getRandomPalette = () => {
const bg = rnd.weightedSet(colors);
const [hue1, hue2] = rnd
.shuffle(colors)
.filter((c) => c.value !== bg)
.map((c) => c.value);
const palette = { bg, hue1, hue2, paper };
return palette;
}
rnd = {
CSRandom.setSeed(randomize);
return CSRandom;
}
One platform to build and deploy the best data apps
Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.